<svg xmlns="http://www.w3.org/2000/svg"
     xmlns:xlink="http://www.w3.org/1999/xlink"
     class="reftest-wait"
     onload="setTimeAndSnapshot(2, true)">
  <script xlink:href="../smil-util.js" type="text/javascript"/>
  <!--
    A ping-pong cycle that should be allowed.
    Example 3 from SMIL3 section 5.4.5.
    We have:
    t=0s --> b: 0s-1s, a: 1s-2s
    t=1s --> a: 1s-2s, b: 1.5s->2.5s
   -->
  <rect width="100" height="100" fill="red">
    <animate attributeName="y" attributeType="XML" from="0" to="0" id="a"
      begin="b.begin+1s" dur="1s"/>
    <animate attributeName="fill" attributeType="CSS" id="b"
      values="orange; green; purple"
      begin="0s; a.begin+0.5s" dur="1s"/>
  </rect>
</svg>
